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blockchain: fix innocuous difficulty cache inconsistency 

This inconsistent state would not actually be used in practice
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moneromooo-monero 2018-11-05 14:43:58 +00:00
parent 3b14d9727b
commit ac23b10f15
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src/cryptonote_core/blockchain.cpp
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@ -831,6 +831,7 @@ difficulty_type Blockchain::get_difficulty_for_next_block()
std::vector<uint64_t> timestamps;
std::vector<difficulty_type> difficulties;
auto height = m_db->height();
top_hash = get_tail_id(); // get it again now that we have the lock
// ND: Speedup
// 1. Keep a list of the last 735 (or less) blocks that is used to compute difficulty,
// then when the next block difficulty is queried, push the latest height data and